Wiktionary
take no for an answer
vb. (context idiomatic English) To accept a disappointing response.
Usage examples of "take no for an answer".
Fortunately, he could take no for an answer, at least temporarily.
He goes through women like a kodiak max through Beowulf buffalo, just like his father and both brothers, and apparently he didn't want to take no for an answer.
He wouldn't take no for an answer so I pulled out the Walther and put a round through his kneecap.